<script type="text/JavaScript">
function calculateAge(birthMonth, birthDay, birthYear)
{
todayDate = new Date();
todayYear = todayDate.getFullYear();
todayMonth = todayDate.getMonth();
todayDay = todayDate.getDate();
age = todayYear - birthYear;
return age;
}
document.write(calculateAge(2, 27, 1966));
/*
run:
50
*/
</script>